Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual era a superfície feita na competição em que Paula Ormaechea foi a parceira?
 ###Tabelas: CREATE TABLE doubles_8–10 (doubles_8–10_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponent in the final VARCHAR, Score VARCHAR) CREATE TABLE specials (specials_id AUTO_INCREMENT PRIMARY KEY, Month & Year VARCHAR, Episode VARCHAR, Title VARCHAR, Hammond's vehicle VARCHAR, Clarkson's vehicle VARCHAR, May's vehicle VARCHAR, Back-up VARCHAR, Budget VARCHAR) CREATE TABLE 4.tatars (4.tatars_id AUTO_INCREMENT PRIMARY KEY, C/W 15+ INT, Oblast\Age VARCHAR, 15 to 17 INT, 18 to 19 INT, 20 to 24 INT, 25 to 29 INT, 30 to 34 INT, 35 to 39 INT, 40 to 44 INT, 45 to 49 INT, 50 to 54 INT, 55 to 59 INT, 60 to 64 INT, 65 to 69 INT, 70+ INT) CREATE TABLE summary_of_qualification (summary_of_qualification_id AUTO_INCREMENT PRIMARY KEY, Confederation VARCHAR, Teams started VARCHAR, Teams that have secured qualification VARCHAR, Teams that can still qualify VARCHAR, Teams that have been eliminated VARCHAR, Remaining places in finals VARCHAR, Total places in finals VARCHAR, Qualifying start date VARCHAR, Qualifying end date VARCHAR) CREATE TABLE pre-season_and_friendlies (pre-season_and_friendlies_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Opponents VARCHAR, H / A VARCHAR, Result F – A VARCHAR, Attendance INT)  
SELECT Surface FROM doubles_8–10 WHERE Partner = paula ormaechea